Pith Number

pith:JIFWCIGL

pith:2024:JIFWCIGLHWJZ33HMV26Q4MEFDY

not attested not anchored not stored refs pending

Alexandrov spaces are CS sets

Tadashi Fujioka

arxiv:2404.14587 v3 · 2024-04-22 · math.DG · math.GT · math.MG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JIFWCIGLHWJZ33HMV26Q4MEFDY}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

MCS Spaces are CS

Receipt and verification

First computed	2026-07-05T11:51:15.573957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a0b6120cb3d939dececaebd0e30851e37dada79c1b5ae408a157cd6241570d3

Aliases

arxiv: 2404.14587 · arxiv_version: 2404.14587v3 · doi: 10.48550/arxiv.2404.14587 · pith_short_12: JIFWCIGLHWJZ · pith_short_16: JIFWCIGLHWJZ33HM · pith_short_8: JIFWCIGL

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JIFWCIGLHWJZ33HMV26Q4MEFDY \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4a0b6120cb3d939dececaebd0e30851e37dada79c1b5ae408a157cd6241570d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1322a8f8c3d47f5f053e6bf0b94c7f4f119dba3992b63170804623a6a1ef31e7",
    "cross_cats_sorted": [
      "math.GT",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2024-04-22T21:26:45Z",
    "title_canon_sha256": "30a7aa2dcbf0ff483afdeab5eb499ff4bc7b640a2c8f4624b42bff5337c0f2fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.14587",
    "kind": "arxiv",
    "version": 3
  }
}